Valerian has a relaxing effect on the nervous system, it promotes relaxation in persons leading a hectic lifestyle and helps support restful sleep. It was used and promoted anciently by 10th century Arabic physicians, it is still very popular in Europe and western Asia. It used since the ninth century for its calming properties, with a concentrated valerian extract. These are combined with the equally legendary calmatives hops and chamomile, and other selected botanicals from European and Chinese herbal traditions...[Valerian Root Article]